fix: brought back observe audio interruptions fun

Author: mdydek

apps/common-app/src/examples/AudioFile/AudioFile.tsx

@@ -68,8 +68,7 @@ const AudioFile: FC = () => {
         state: 'state_playing',
       });
 
-      AudioManager.requestAudioFocus({});
-      // AudioManager.abandonAudioFocus();
+      AudioManager.observeAudioInterruptions(true);
 
       bufferSourceRef.current = audioContextRef.current.createBufferSource({
         pitchCorrection: true,
@@ -153,7 +152,7 @@ const AudioFile: FC = () => {
       }
     );
 
-    AudioManager.requestAudioFocus({});
+    AudioManager.observeAudioInterruptions(true);
 
     fetchAudioBuffer();
 

packages/react-native-audio-api/android/src/main/java/com/swmansion/audioapi/AudioAPIModule.kt

@@ -80,6 +80,11 @@ class AudioAPIModule(
 
   override fun getDevicePreferredSampleRate(): Double = MediaSessionManager.getDevicePreferredSampleRate()
 
+  @RequiresApi(Build.VERSION_CODES.O)
+  override fun observeAudioInterruptions(enabled: Boolean) {
+    MediaSessionManager.observeAudioInterruptions(enabled)
+  }
+
   override fun observeVolumeChanges(enabled: Boolean) {
     MediaSessionManager.observeVolumeChanges(enabled)
   }

packages/react-native-audio-api/android/src/main/java/com/swmansion/audioapi/system/MediaSessionManager.kt

@@ -139,6 +139,15 @@ object MediaSessionManager {
     return sampleRate.toDouble()
   }
 
+  @RequiresApi(Build.VERSION_CODES.O)
+  fun observeAudioInterruptions(observe: Boolean) {
+    if (observe) {
+      audioFocusListener.requestAudioFocus(AudioFocusRequest.Builder(AudioManager.AUDIOFOCUS_GAIN), true)
+    } else {
+      audioFocusListener.abandonAudioFocus()
+    }
+  }
+
   fun observeVolumeChanges(observe: Boolean) {
     if (observe) {
       ContextCompat.registerReceiver(

packages/react-native-audio-api/ios/audioapi/ios/AudioAPIModule.mm

@@ -107,7 +107,12 @@ - (void)invalidate
 
 RCT_EXPORT_METHOD(observeVolumeChanges : (BOOL)enabled)
 {
-  [self.notificationManager observeVolumeChanges:(BOOL)enabled];
+  [self.notificationManager observeVolumeChanges:enabled];
+}
+
+RCT_EXPORT_METHOD(observeAudioInterruptions : (BOOL)enabled)
+{
+  [self.notificationManager observeAudioInterruptions:enabled];
 }
 
 // android-only support for options

packages/react-native-audio-api/src/specs/NativeAudioAPIModule.ts

@@ -17,6 +17,7 @@ interface Spec extends TurboModule {
     options: Array<string>
   ): void;
   getDevicePreferredSampleRate(): number;
+  observeAudioInterruptions(enabled: boolean): void;
   requestAudioFocus(
     options: {
       [key: string]: string | boolean | number | AudioAttributeType | undefined;

packages/react-native-audio-api/src/system/AudioManager.ts

@@ -44,6 +44,10 @@ class AudioManager {
     return NativeAudioAPIModule!.getDevicePreferredSampleRate();
   }
 
+  observeAudioInterruptions(enabled: boolean) {
+    NativeAudioAPIModule!.observeAudioInterruptions(enabled);
+  }
+
   requestAudioFocus(
     request: RequestAudioFocusOptions,
     observeAudioInterruption = true